| Value | Category | Cases | |
|---|---|---|---|
| 1 | Less then 13 years old | 2 |
0.1%
|
| 2 | 13 years old | 457 |
24.5%
|
| 3 | 14 years old | 956 |
51.3%
|
| 4 | 15 years old | 441 |
23.7%
|
| 5 | More than 15 years old | 7 |
0.4%
|
| Sysmiss | 3 |